What will it cost to pave a rectangular parking lot 220 ft by
85 ft at $5 per square foot?
400
700,000
What is 652,738 to the nearest hundred thousand?
400
5 cu in.
What is the compression ratio in a certain engine is 9.6 to 1. If the expanded volume of a cylinder is 48 cu in., what is the compressed volume?
400
48 days
A patient is directed to take 2 teaspoons of a liquid medication per day. How many days will a 16-fluid ounce bottle of this medication last?
400
5.5 hr
A repair service charges $45 for a house call and an additional $60 per hour of work. The formula T=45 + 60H represents the total charge T for H hours of work. If the total bill for a customer was $375, how many hours of actual labor were there?
400
19
An electrician is installing 1-m-square solar panels on
the roof of an apartment building. The roof is flat and measures 20 m wide in the north–south direction. As shown in the fgure, the panels are installed at an angle of 55 degrees and must be separated by 0.2 m in the north–south direction to avoid shadowing. With these specifications, how many panels will fit along the 20-m side? (Round down to the next whole number.)
500
43 ft.
What is From a roll of No. 12 wire, an electrician cut the following lengths: 6, 8, 20, and 9 ft. How many feet of wire did he use?
500
12.9 mL
The label on a concentrated drug solution indicates that it
contains 85 mg of medication in 5 mL. If the patient is to receive 220 mg of solution, how much of the solution should be given? Round to the nearest tenth.
500
28 in.
The hole for a footing needs to be 5ft deep. If it is currently 2 ft 8 in. deep, how much deeper does it need to be dug? Give the answer in inches.
500
1.005 X 10^-4
Write this number in scientific notation: 0.0001005
500
5.33 in.
A rectangular opening 12 in. long must have the same total area as two smaller rectangular vents 6 in. by 4 in. and 8 in. by 5 in. What must be the width of the opening?